ADC AD-95 User Manual download pdf (Page 2)

AD7991/AD7995/AD7999

Rev. B | Page 2 of 28

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description......................................................................... 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

AD7991.......................................................................................... 3

AD7995.......................................................................................... 5

AD7999.......................................................................................... 7

C Timing Specifications............................................................ 9

Absolute Maximum Ratings.......................................................... 11

ESD Caution................................................................................ 11

Pin Configuration and Function Descriptions........................... 12

Typical Performance Characteristics ........................................... 13

Terminology .................................................................................... 16

Theory of Operation ...................................................................... 17

Converter Operation.................................................................. 17

Typical Connection Diagram ................................................... 18

Analog Input ............................................................................... 18

Internal Register Structure............................................................ 20

Configuration Register .............................................................. 20

Sample Delay and Bit Trial Delay............................................. 21

Conversion Result Register....................................................... 21

Serial Interface ................................................................................ 22

Serial Bus Address...................................................................... 22

Writing to the AD7991/AD7995/AD7999.................................. 23

Reading from the AD7991/AD7995/AD7999............................ 24

Placing the AD7991/AD7995/AD7999 into High

Speed Mode................................................................................. 25

Mode of Operation......................................................................... 26

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

10/10—Rev. A to Rev. B

Changes to Max Offset Error Parameter in Table 2..................... 3

Changes to Max Offset Error Parameter (Y Version) in Table 3...... 5

Changes to Max Offset Error Parameter (Y Version) in Table 4...... 7

Changes to Ordering Guide...................................................................27

10/09—Rev. 0 to Rev. A

Changes to Table 3............................................................................ 5

Changes to Table 4............................................................................ 7

Updated Ordering Guide............................................................... 27

12/07—Revision 0: Initial Version

1 2 3 4 5 6 7 ... 27 28

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